Christopher R. Lang, MD
Emergency Medicine Physician · Lake Forest, IL
Christopher R. Lang, MD is an emergency medicine physician with a practice address in Lake Forest, Illinois, and NPI 1811915440, issued on Jul 18, 2006. Check the license (Illinois 036162750, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Christopher R. Lang
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036162750 IL
MD034519 DC
0101222170 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Westmoreland RD, Lake Forest, IL 60045
- Phone
- (847) 535-6150
- Enumerated
- Jul 18, 2006
- Record last updated
- Jan 12, 2023
- Fax
- (847) 535-7801
- Medicare enrollment
- Enrolled (PECOS I20221128000479); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 1000 N Westmoreland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariyam Alam, PA-CPhysician Assistant1740087394
- Wendy Allen, CNMAdvanced Practice Midwife1629161369
- Mohammed Alzoubaidi, MBBS,MPHPulmonary Disease Physician1184880031
- Christina Anderson, M.D.Interventional Cardiology Physician1568846434
Verify Christopher R. Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036162750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average emergency medicine physician in 2024
77 Medicare Part D claims for 57 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher R. Lang among 3,291 emergency medicine physician records in Illinois
Christopher R. Lang, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1998 · median 2012 among the 1,867 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 emergency medicine physician records list a practice address in Lake Forest
They are 15 of the 821 NPPES records with a practice address in Lake Forest, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Lake Forest → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Paul Been, D.O.Lake Forest, IL 600451194969642
- Jonathan Chuko, MDLake Forest, IL 600451558821660
- Lindsay Jin, MDLake Forest, IL 600451598096190
- David Kawior, M.D.Lake Forest, IL 600451326453093
- Benjamin Kiesel, MDLake Forest, IL 600451679947535
- David Kosturakis, MDLake Forest, IL 600451952669277
- Paul Krivickas, MDLake Forest, IL 600451093920118
- Peter Mc Cool, MDLake Forest, IL 600451306044847
Common questions
What is Christopher R. Lang, MD's NPI number?
Christopher R. Lang, MD's National Provider Identifier (NPI) is 1811915440, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher R. Lang, MD located?
The NPPES record lists a practice address at 1000 N Westmoreland RD, Lake Forest, IL, 60045. Phone: (847) 535-6150. Providers update this record themselves, so call before visiting.
How can I verify Christopher R. Lang, MD's license?
NPPES lists Illinois license number 036162750, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher R. Lang, MD prescribe under Medicare Part D?
In 2024, Christopher R. Lang, MD had 77 Medicare Part D claims for 57 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Christopher R. Lang, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.